<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

</body>

</html>
<script src="value-module.js" type="module"></script>
<script type="module">
    import {rate,rmb} from './value-module.js';

    function compute() {
        return (rmb / rate).toFixed(2);  
    }
    console.log(compute());
</script>